A study by means of JEM-2000 FX transmission microscope is carried out on ZTA ceramics in which A1_2O_3 is the major phase and ZrO_2 is the second phase for enhancing its toughness.

• 用JEM-2000FX分析型透射电镜研究了以Al_2O_3为基体、ZrO_2为第二相的氧化锆增韧氧化铝(ZTA)陶瓷。